387 lines
11 KiB
C++
387 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#include <scanner.hxx>
|
|
#include <sanedlg.hxx>
|
|
#include <osl/thread.hxx>
|
|
#include <cppuhelper/queryinterface.hxx>
|
|
#include <boost/shared_ptr.hpp>
|
|
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
BitmapTransporter::BitmapTransporter()
|
|
{
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
fprintf( stderr, "BitmapTransporter\n" );
|
|
#endif
|
|
}
|
|
|
|
BitmapTransporter::~BitmapTransporter()
|
|
{
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
fprintf( stderr, "~BitmapTransporter\n" );
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
Any SAL_CALL BitmapTransporter::queryInterface( const Type& rType ) throw( RuntimeException, std::exception )
|
|
{
|
|
const Any aRet( cppu::queryInterface( rType, static_cast< css::awt::XBitmap* >( this ) ) );
|
|
|
|
return( aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ) );
|
|
}
|
|
|
|
|
|
|
|
css::awt::Size BitmapTransporter::getSize() throw(std::exception)
|
|
{
|
|
osl::MutexGuard aGuard( m_aProtector );
|
|
int nPreviousPos = m_aStream.Tell();
|
|
css::awt::Size aRet;
|
|
|
|
// ensure that there is at least a header
|
|
m_aStream.Seek( STREAM_SEEK_TO_END );
|
|
int nLen = m_aStream.Tell();
|
|
if( nLen > 15 )
|
|
{
|
|
m_aStream.Seek( 4 );
|
|
m_aStream.ReadInt32( aRet.Width ).ReadInt32( aRet.Height );
|
|
}
|
|
else
|
|
aRet.Width = aRet.Height = 0;
|
|
|
|
m_aStream.Seek( nPreviousPos );
|
|
|
|
return aRet;
|
|
}
|
|
|
|
|
|
|
|
Sequence< sal_Int8 > BitmapTransporter::getDIB() throw(std::exception)
|
|
{
|
|
osl::MutexGuard aGuard( m_aProtector );
|
|
int nPreviousPos = m_aStream.Tell();
|
|
|
|
// create return value
|
|
m_aStream.Seek( STREAM_SEEK_TO_END );
|
|
int nBytes = m_aStream.Tell();
|
|
m_aStream.Seek( 0 );
|
|
|
|
Sequence< sal_Int8 > aValue( nBytes );
|
|
m_aStream.Read( aValue.getArray(), nBytes );
|
|
m_aStream.Seek( nPreviousPos );
|
|
|
|
return aValue;
|
|
}
|
|
|
|
|
|
// - SaneHolder -
|
|
|
|
|
|
struct SaneHolder
|
|
{
|
|
Sane m_aSane;
|
|
Reference< css::awt::XBitmap > m_xBitmap;
|
|
osl::Mutex m_aProtector;
|
|
ScanError m_nError;
|
|
bool m_bBusy;
|
|
|
|
SaneHolder() : m_nError(ScanError_ScanErrorNone), m_bBusy(false) {}
|
|
};
|
|
|
|
namespace
|
|
{
|
|
typedef std::vector< boost::shared_ptr<SaneHolder> > sanevec;
|
|
class allSanes
|
|
{
|
|
private:
|
|
int mnRefCount;
|
|
public:
|
|
sanevec m_aSanes;
|
|
allSanes() : mnRefCount(0) {}
|
|
void acquire();
|
|
void release();
|
|
};
|
|
|
|
void allSanes::acquire()
|
|
{
|
|
++mnRefCount;
|
|
}
|
|
|
|
void allSanes::release()
|
|
{
|
|
// was unused, now because of i99835: "Scanning interface not SANE API
|
|
// compliant" destroy all SaneHolder to get Sane Dtor called
|
|
--mnRefCount;
|
|
if (!mnRefCount)
|
|
m_aSanes.clear();
|
|
}
|
|
|
|
struct theSaneProtector : public rtl::Static<osl::Mutex, theSaneProtector> {};
|
|
struct theSanes : public rtl::Static<allSanes, theSanes> {};
|
|
}
|
|
|
|
|
|
// - ScannerThread -
|
|
|
|
|
|
class ScannerThread : public osl::Thread
|
|
{
|
|
boost::shared_ptr<SaneHolder> m_pHolder;
|
|
Reference< com::sun::star::lang::XEventListener > m_xListener;
|
|
ScannerManager* m_pManager; // just for the disposing call
|
|
|
|
public:
|
|
virtual void run() SAL_OVERRIDE;
|
|
virtual void onTerminated() SAL_OVERRIDE { delete this; }
|
|
public:
|
|
ScannerThread( boost::shared_ptr<SaneHolder> pHolder,
|
|
const Reference< com::sun::star::lang::XEventListener >& listener,
|
|
ScannerManager* pManager );
|
|
virtual ~ScannerThread();
|
|
};
|
|
|
|
|
|
|
|
ScannerThread::ScannerThread(
|
|
boost::shared_ptr<SaneHolder> pHolder,
|
|
const Reference< com::sun::star::lang::XEventListener >& listener,
|
|
ScannerManager* pManager )
|
|
: m_pHolder( pHolder ), m_xListener( listener ), m_pManager( pManager )
|
|
{
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
fprintf( stderr, "ScannerThread\n" );
|
|
#endif
|
|
}
|
|
|
|
ScannerThread::~ScannerThread()
|
|
{
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
fprintf( stderr, "~ScannerThread\n" );
|
|
#endif
|
|
}
|
|
|
|
void ScannerThread::run()
|
|
{
|
|
osl_setThreadName("ScannerThread");
|
|
|
|
osl::MutexGuard aGuard( m_pHolder->m_aProtector );
|
|
BitmapTransporter* pTransporter = new BitmapTransporter;
|
|
Reference< XInterface > aIf( static_cast< OWeakObject* >( pTransporter ) );
|
|
|
|
m_pHolder->m_xBitmap = Reference< css::awt::XBitmap >( aIf, UNO_QUERY );
|
|
|
|
m_pHolder->m_bBusy = true;
|
|
if( m_pHolder->m_aSane.IsOpen() )
|
|
{
|
|
int nOption = m_pHolder->m_aSane.GetOptionByName( "preview" );
|
|
if( nOption != -1 )
|
|
m_pHolder->m_aSane.SetOptionValue( nOption, false );
|
|
|
|
m_pHolder->m_nError =
|
|
m_pHolder->m_aSane.Start( *pTransporter ) ?
|
|
ScanError_ScanErrorNone : ScanError_ScanCanceled;
|
|
}
|
|
else
|
|
m_pHolder->m_nError = ScanError_ScannerNotAvailable;
|
|
|
|
|
|
Reference< XInterface > xXInterface( static_cast< OWeakObject* >( m_pManager ) );
|
|
m_xListener->disposing( com::sun::star::lang::EventObject(xXInterface) );
|
|
m_pHolder->m_bBusy = false;
|
|
}
|
|
|
|
|
|
// - ScannerManager -
|
|
|
|
|
|
void ScannerManager::AcquireData()
|
|
{
|
|
osl::MutexGuard aGuard( theSaneProtector::get() );
|
|
theSanes::get().acquire();
|
|
}
|
|
|
|
void ScannerManager::ReleaseData()
|
|
{
|
|
osl::MutexGuard aGuard( theSaneProtector::get() );
|
|
theSanes::get().release();
|
|
}
|
|
|
|
|
|
|
|
css::awt::Size ScannerManager::getSize() throw(std::exception)
|
|
{
|
|
css::awt::Size aRet;
|
|
aRet.Width = aRet.Height = 0;
|
|
return aRet;
|
|
}
|
|
|
|
|
|
|
|
Sequence< sal_Int8 > ScannerManager::getDIB() throw(std::exception)
|
|
{
|
|
return Sequence< sal_Int8 >();
|
|
}
|
|
|
|
|
|
|
|
Sequence< ScannerContext > ScannerManager::getAvailableScanners() throw(std::exception)
|
|
{
|
|
osl::MutexGuard aGuard( theSaneProtector::get() );
|
|
sanevec &rSanes = theSanes::get().m_aSanes;
|
|
|
|
if( rSanes.empty() )
|
|
{
|
|
boost::shared_ptr<SaneHolder> pSaneHolder(new SaneHolder);
|
|
if( Sane::IsSane() )
|
|
rSanes.push_back( pSaneHolder );
|
|
}
|
|
|
|
if( Sane::IsSane() )
|
|
{
|
|
Sequence< ScannerContext > aRet(1);
|
|
aRet[0].ScannerName = "SANE";
|
|
aRet[0].InternalData = 0;
|
|
return aRet;
|
|
}
|
|
|
|
return Sequence< ScannerContext >();
|
|
}
|
|
|
|
|
|
|
|
sal_Bool ScannerManager::configureScannerAndScan( ScannerContext& scanner_context,
|
|
const Reference< com::sun::star::lang::XEventListener >& listener )
|
|
throw (ScannerException, RuntimeException, std::exception)
|
|
{
|
|
bool bRet;
|
|
bool bScan;
|
|
{
|
|
osl::MutexGuard aGuard( theSaneProtector::get() );
|
|
sanevec &rSanes = theSanes::get().m_aSanes;
|
|
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
fprintf( stderr, "ScannerManager::configureScanner\n" );
|
|
#endif
|
|
|
|
if( scanner_context.InternalData < 0 || (sal_uLong)scanner_context.InternalData >= rSanes.size() )
|
|
throw ScannerException(
|
|
"Scanner does not exist",
|
|
Reference< XScannerManager >( this ),
|
|
ScanError_InvalidContext
|
|
);
|
|
|
|
boost::shared_ptr<SaneHolder> pHolder = rSanes[scanner_context.InternalData];
|
|
if( pHolder->m_bBusy )
|
|
throw ScannerException(
|
|
"Scanner is busy",
|
|
Reference< XScannerManager >( this ),
|
|
ScanError_ScanInProgress
|
|
);
|
|
|
|
pHolder->m_bBusy = true;
|
|
ScopedVclPtrInstance< SaneDlg > aDlg(nullptr, pHolder->m_aSane, listener.is());
|
|
bRet = aDlg->Execute();
|
|
bScan = aDlg->getDoScan();
|
|
pHolder->m_bBusy = false;
|
|
}
|
|
if ( bScan )
|
|
startScan( scanner_context, listener );
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
|
|
void ScannerManager::startScan( const ScannerContext& scanner_context,
|
|
const Reference< com::sun::star::lang::XEventListener >& listener ) throw( ScannerException, std::exception )
|
|
{
|
|
osl::MutexGuard aGuard( theSaneProtector::get() );
|
|
sanevec &rSanes = theSanes::get().m_aSanes;
|
|
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
fprintf( stderr, "ScannerManager::startScan\n" );
|
|
#endif
|
|
|
|
if( scanner_context.InternalData < 0 || (sal_uLong)scanner_context.InternalData >= rSanes.size() )
|
|
throw ScannerException(
|
|
"Scanner does not exist",
|
|
Reference< XScannerManager >( this ),
|
|
ScanError_InvalidContext
|
|
);
|
|
boost::shared_ptr<SaneHolder> pHolder = rSanes[scanner_context.InternalData];
|
|
if( pHolder->m_bBusy )
|
|
throw ScannerException(
|
|
"Scanner is busy",
|
|
Reference< XScannerManager >( this ),
|
|
ScanError_ScanInProgress
|
|
);
|
|
pHolder->m_bBusy = true;
|
|
|
|
ScannerThread* pThread = new ScannerThread( pHolder, listener, this );
|
|
pThread->create();
|
|
}
|
|
|
|
|
|
|
|
ScanError ScannerManager::getError( const ScannerContext& scanner_context ) throw( ScannerException, std::exception )
|
|
{
|
|
osl::MutexGuard aGuard( theSaneProtector::get() );
|
|
sanevec &rSanes = theSanes::get().m_aSanes;
|
|
|
|
if( scanner_context.InternalData < 0 || (sal_uLong)scanner_context.InternalData >= rSanes.size() )
|
|
throw ScannerException(
|
|
"Scanner does not exist",
|
|
Reference< XScannerManager >( this ),
|
|
ScanError_InvalidContext
|
|
);
|
|
|
|
boost::shared_ptr<SaneHolder> pHolder = rSanes[scanner_context.InternalData];
|
|
|
|
return pHolder->m_nError;
|
|
}
|
|
|
|
|
|
|
|
Reference< css::awt::XBitmap > ScannerManager::getBitmap( const ScannerContext& scanner_context ) throw( ScannerException, std::exception )
|
|
{
|
|
osl::MutexGuard aGuard( theSaneProtector::get() );
|
|
sanevec &rSanes = theSanes::get().m_aSanes;
|
|
|
|
if( scanner_context.InternalData < 0 || (sal_uLong)scanner_context.InternalData >= rSanes.size() )
|
|
throw ScannerException(
|
|
"Scanner does not exist",
|
|
Reference< XScannerManager >( this ),
|
|
ScanError_InvalidContext
|
|
);
|
|
boost::shared_ptr<SaneHolder> pHolder = rSanes[scanner_context.InternalData];
|
|
|
|
osl::MutexGuard aProtGuard( pHolder->m_aProtector );
|
|
|
|
Reference< css::awt::XBitmap > xRet( pHolder->m_xBitmap );
|
|
pHolder->m_xBitmap = Reference< css::awt::XBitmap >();
|
|
|
|
return xRet;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|